Year in Review 2012: Most Viral Photos

After settling for silver in the Olympics vault competition, McKayla Maroney's disappointed stance quickly became a Web meme: McKayla Maroney is not impressed. (Ronald Martinez/Getty Images)

Angelina's leg

Angelina Jolie flashed some leg on the Oscars red carpet and the image soon took on a meme life of its own. (Ethan Miller/Getty Images)

Sedated bear falling out of tree

After wandering onto the University of Colorado campus in Boulder and being tranquilized, this black bear fell out of a tree to a soft landing on safety mat below. While the image will live on, unfortunately the bear wasn't so lucky: It was hit by a car after being released back into the wild. (@cuindependent/Twitter)

Kissing kids photobomb

During his 2012 campaign, President Obama surprised students in Delray Beach, Fla., with an unscheduled stop to take a photo with the kids. But perhaps the biggest surprise of this photo op was the kissing pair in the back row photobombing the president. (@BarackObama/Twitter)

Real-life Barbie

Russian model Valeria Lukyanova grabbed Internet fame for looking like a Barbie doll. Her photos look plastic, and there have been accusations that she doctors them. (Valeria Lukyanova/Facebook)

Most retweeted Obama photo

As networks began calling the race for President Obama on election night, his campaign tweeted this photo with the caption “four more years.” The image became the most retweeted ever and “most liked” on Facebook. (@BarackObama/Twitter)

Ridiculously photogenic guy

This snap of 25-year-old Zeddie Little running a 10K race in Charleston, S.C., shows a smiling competitor looking so coiffed he stands out from the rest of the struggling runners. Photographer Will King posted the pic on his Flickr account and then on the website Reddit — and "ridiculously photogenic guy" quickly became a meme. (Will King/Flickr)